Front grill for a fan



FIG. 1 is a perspective view of a front grill for a fan showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a left side elevational view thereof, the opposite side being a mirror image of that shown; and,

FIG. 4 is a top plan view thereof, the bottom being a mirror image of that shown.

The broken line showing of environmental structure in FIGS. 1-4 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a front grill for a fan, as shown and described. 